java.lang.NullPointerException

null

Solutions on the web20383

  • via Coderanch by Julien Martin, 6 months ago
    null
  • via Coderanch by bablu singh, 1 month ago
    null
  • via Eclipse Bugzilla by dwain.bethel, 1 year ago
    null
  • Stack trace

    • java.lang.NullPointerException: null at edu.uchicago.monitor.MonitorChannelHandler.handleResponse(MonitorChannelHandler.java:183)[monitor-7.0.0.jar:na] at edu.uchicago.monitor.MonitorChannelHandler.write(MonitorChannelHandler.java:74)[monitor-7.0.0.jar:na] at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:691)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:626)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.handler.timeout.IdleStateHandler.write(IdleStateHandler.java:266)[netty-handler-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:691)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:626)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at org.dcache.xrootd.stream.ChunkedResponseWriteHandler.write(ChunkedResponseWriteHandler.java:89)[xrootd4j-2.1.2.jar:2.1.2] at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:691)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:681)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:716)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at org.dcache.xrootd.core.XrootdRequestHandler.respond(XrootdRequestHandler.java:204)[xrootd4j-2.1.2.jar:2.1.2] at org.dcache.xrootd.core.XrootdRequestHandler.requestReceived(XrootdRequestHandler.java:175)[xrootd4j-2.1.2.jar:2.1.2] at org.dcache.xrootd.core.XrootdRequestHandler.channelRead(XrootdRequestHandler.java:78)[xrootd4j-2.1.2.jar:2.1.2] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:254)[netty-handler-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at edu.uchicago.monitor.MonitorChannelHandler.channelRead(MonitorChannelHandler.java:63)[monitor-7.0.0.jar:na] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244)[netty-codec-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)[netty-transport-4.0.28.Final.jar:4.0.28.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)[netty-common-4.0.28.Final.jar:4.0.28.Final] at org.dcache.util.CDCThreadFactory$1.run(CDCThreadFactory.java:53)[dcache-core-2.13.9.jar:2.13.9] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_66]

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